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Test shows rapid spread of flu germs
A black light test can show just how quickly flu germs can be spread in the home or office and from person to person.
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Test shows rapid spread of flu germs
A black light test can show just how quickly flu germs can be spread in the home or office and from person to person.
Date: 1/10/13
Views: 2257
Video by:  WCVB Boston
 
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